If you feel a message or content violates these standards and would like to request its removal please submit the following information and our moderating team will respond shortly. 68%, while at 14 weeks it is 98% accurate. Just don't … 2. How babies’ genitalia develop and ‘nub theory’ Tiffany’s not the only woman to whom this has happened. This nub is in a horizontal position, parallel with the spine, so could be female. After researching this theory for the last month I would say you were unlikely to get an accurate guess because I don't believe what you're pointing to is the nub! Whats your take on nub theory and has anyone ever been told wrong? In terms of nub theory, these scans provide an unusually good view of the babies' emerging genitals on an early scan. “There is no evidence that it works,” reiterates Dr Philippa. I had 5 scan photos printed and all look different! This nub is often referred to as ‘angle of the dangle’. In a word – yes. See more ideas about gender prediction, nub theory, gender predictor. I don't think there is a clear image of the nub in the pic. ! Nub theory can be fun and also accurate (moreso for boys than girls). This can potentially lead to inaccuracies if a result is given before this point,” saysDr Geetha Venkat, who specialises in fertility treatments. Learn more about. Most doctors dispute nub theory as it's very dependant on the angle of the scan. lol I just finished going though a million posts but I found it. As time proceeds, the tubercle or “nub” transforms into a penis in a male baby or a clitoris in a female baby. The educational health content on What To Expect is reviewed by our medical review board and team of experts to be up-to-date and in line with the latest evidence-based medical information and accepted health guidelines, including the medically reviewed What to Expect books by Heidi Murkoff. This educational content is not medical or diagnostic advice. “The basis of the theory is that this tube causes an angle with the lower part of the spine – and if that angle is less than 30 degrees it’s a girl, and if above it’s a boy.”. The male baby will have a nub that angles upwards at 30° or more. Do-it-yourself attempts to determine gender based on nub placement are likely to be even less statistically … But nope, she's all girl! Or if anyone use Gender Pros and they were wrong? © 2021 Everyday Health, Inc. Have a go at the nub theory . Determine the nub angle. 1st picture is 12 weeks, 2nd picture is 13 weeks. Are you sure you want to delete your comment? Draw the nub line. VillageFete Sun 23-Sep-18 08:57:09 Hi, Had my scan at 13+1, got a few images. Nub Theory for gender prediction - Nub Theory at only 11 weeks Basics of the Nub Theory. Whether or not it is read correctly is a different story. I totally wouldn't have zoomed in and would definitely had guessed boy though haha. But the baby turned out to be a boy. “Up until your 14th or 15th week scan, the female and male genitalia simply look too similar to 100% differentiate between the two. While it can be a bit of harmless fun to attempt, we recommend not taking the nub theory too seriously - though the accuracy rate sounds pretty good on paper, even the experts can get it wrong! I've heard that at 13 weeks it can be around 94% accurate using the nub theory. Headshape again is more for fun with the tiniest angle showing a different outline of the head, and even then the skull bone is still forming. However, babies are not robots: they move a lot in utero and very often the nub happens to be totally or partially hidden. I'm hoping there are women out there where even in this situation, the theory was wrong. One looks very girly to me and I can’t work out the others. No – there’s no solid scientific research into whether or not nub theory actually works, and that’s because most medics claim it’s just too early to accurately predict a baby’s sex at 12 weeks. “The best way is to take an image of between their legs at 17 weeks onwards and see from there! Nub theory is based on the genital tubercle, which usually forms in early pregnancy over the lower abdomen of the baby. You have to have a good, clear shot. There was also someone on here who was told by the sonographer that baby looked like 1 gender but it was the opposite at the 20 week scan x That nub is a mistaken nub bc of poor image quality. Yes it can be wrong, its a theory and not a good one. Congratulations, 12 week nub theory was wrong for me too. Each baby has a little nub of tissue called the ‘genital tubercle’ which will develop into a penis in a boy, or a clitoris in a girl. Amateur vs. professional interpretations – Highly-trained researchers performed the studies listed above, and even then, the accuracy was questionable at many stages of pregnancy. Use of this site is subject to our terms of use and privacy policy. This can potentially lead to inaccuracies if a result is given before this point,” says Dr Geetha Venkat, who specialises in fertility treatments. Im currently 14w and 3 days pregnant with my second child, I'm hoping for a girl as I already habe a son and have found myself with the nub theory, I posted my 13w and 5day scan on a few facebook pages, most seem to be going with boy, however others have been girl. We were going to be team yellow but our sonographer at 12 week scan got excited and blurted out that she thinks we are having a boy (70% chance) and explained to us about the nub theory. Joined: Sep 5, 2012 Messages: 7,472 Likes Received: 1. However, unfortunately some will still argue that the nub theory is just a myth or 50:50. Symptoms are caused by hormones hcg in pregnancy. According to nub theory it’s possible to predict your baby’s sex at the 12-week scan. I see it on the 12 week one. The 2016 study I mentioned found that a body mass index below 23.8 was the best cutoff value for gender prediction at 11 to 13 weeks. Can you post yours? Find advice, support and good company (and some stuff just for fun). So yes they can all easily be wrong so early on, don't rule anything in or out yet ok! It's very murky. Until about 13 weeks of pregnancy, the genitals of a boy look much the same as those of a girl. The views expressed in community are solely the opinions of participants, and do not reflect those of What to Expect. You won’t find Nub Theory published in mainstream radiological textbooks, but it is founded in science and evidenced-based. The top was cord or leg bone. A lot of people on here told me it was a boy & my ultrasound showed a stacked nub, turns out it's a girl! Hahaha I looked for hers too. In a word – yes. The odds of an accurate prediction fall for women above that number. That idea truly is wrong — but it is also not at all what the Big Bang describes. Whether or not it is read correctly is a different story. In my case, I first heard about nub theory when a few mums in my mothers' group begged me to 'post a nub shot' so they could have an educated guess at the baby's gender before I told them. “He said no hospital trust routinely offers sexing at 13 weeks (when you’re talking about for nub testing), as it makes sense to wait and be more confident,” she went on to say. My last boy looked like a girl until the 38 week ultrasound... so...? Ive had only all girl guesses no boy at all! This is where the nub theory comes in. We strive to provide you with a high quality community experience. They’re not to going to look at the genitals  at all. We could put examples here of nubs guessed wrong. I think it could easily happen. Nub theory is 100% accurate. However, the shape looks more like a boy. (22 Posts) Add message | Report. Baby was a girl, so the sonographer was correct. Waiting another 9 days to find out is torture!! With this in mind, it is better to be patient and wait until the appropriate scan when discovering the sex of your baby, and remember the most important thing is that they are healthy.”. Boy = 30° or greater Girl = 10° or less This varies with EVERY pregnancy. But I think the nub theory is 60-70% chance of being correct! I just read about the nub theory, it’s interesting but I’m not sure I’d trust it till a lot more research had been done on it.”. Your symptoms having nothing to do with the sex. Middle nubs right at 12w in my own opinion are definitely less than 91%. If you look super close the bottom line is still forked a teeny bit and a boy stacked nub doesn't do that. This was mine at 12 weeks, They posted backwards. I found yours. We respect everyone’s right to express their thoughts and opinions as long as they remain respectful of other community members, and meet What to Expect’s Terms of Use. 3. To see the nub your baby needs to be lying on their side, not curled up and they need to be as flat as possible. Based upon studies, the accuracy increases with gestational age. The nub theory isn't 100% so I would just wait until your 20 week scan to find out for sure instead of relying on the nub theory. If you're wanting opinions from people who aren't new to it I'd recommend one of the actual nub sites. We think the angle here looks less than 30 degrees, in fact, it’s flat – which, according to nub theory, means it’s a girl. That sounds pretty dang good, however, you have to keep the size of … Has the nub theory been wrong for any of you? Just curious how accurate it is. Unfortunately, even the most accurate Chinese gender prediction chart doesn’t do much better than giving you a 50-50 chance of guessing the gender accurately. Please whitelist our site to get all the best deals and offers from our partners. This is simply not true. If it's pre 13 weeks there's a chance of the nub "rising" that's why any guesses, especially for a girl, pre-13 weeks are usually cautious. Nub theory – can you predict if you’re having a boy or girl? Create an account or log in to participate. Websites say that if the nub is clear it has 88% sucess rate… however there are lots of stories where it has been wrong and poo-pooed by medical professionals. At 11 wks, the accuracy is only approx. The nub theory is proven to be the most accurate form of early gender prediction today. The baby’s 12th-week scan picture, magnifying lens, and knowledge about the shapes of female and … Everyone here guessed girl as the nub was less than 30 degrees and in line with … Are you sure you want to delete your discussion? 28 more ways to tell if you’re having a boy or a girl, 102 easy last-minute World Book Day costume ideas, 8 of the best kids’ walking boots and shoes, Your pregnancy glam evening outfit sorted, Your pregnancy beauty plan for the third trimester, Your pregnancy body Q&A’s answered by our expert. So even if you’re still wondering, “What’s a … Has anyone found the nub theory to be wrong?! Either that or the nub theory just wasn't right for your DS! There are times when the nub theory will be incorrect, this is usually down to a poor image, the incorrect identification of all the gender markers and the wrong gestation submitted at the time of analysis. “The purpose of the 12-week scan is a dating scan, to check how many babies we have in there, and that there is a heartbeat. “Unless they have a local policy against doing it (usually due to cultural demographics), most ultrasound departments will sex babies at 20 weeks, with the usual proviso that it is not fool proof.”. Ingender is cool bc they have confirmed boy and girl nub galleries too. It looks different from mine. You need to be 12+.... nub theory at 12w with a good view is 91%... says Ingender... and further along it increases. “It is very difficult to identify internal or protruding sexual organs until they are suitably developed. Been told you were having a girl then found out it's actually a boy? Sonographer said 75% girl at our 12 week scan which we stupidly got carried away with, started talking about our daughter etc. This scan pic was shared on our forum by jwebster82. For anyone wondering how the universe could have formed from an explosion at one point in space, the answer is that it couldn’t. Of course, the key to drawing the nub line is being able to identify the nub. If you have a clear scan with a good shot of nub, the accuracy is high. So what's the science behind it - and how accurate is it? Yea, can y'all post your scans that were mistaken? This image was shared on our forum, and according to nub theory – it’s a girl – as you can see, the angle of the ‘nub’ is less than 30 degrees. Discussion in 'Gender Prediction' started by Rahma, Apr 2, 2014. Skull Theory is different from Nub Theory. “It’s said it works 50% of the time – that’s as good as guessing – so I wouldn’t go for it.”, And anecdotally, it seems that nub theory ‘works’ for some and not for others. Your sonogram appointment could be during the phase where the nub test is more often wrong than right. This action cannot be undone. How accurate is the Nub Theory, exactly? Your Guide to the First Trimester of Pregnancy, Your Guide to the Second Trimester of Pregnancy, After 3 girls we have a strong feeling we have a boy from our scan, as I’ve always followed the nub theory and it was right with all 3 of my girls. I know it's very selfish of me to be upset if its another girl, since I … The idea, known as the ‘angle of the dangle’, suggests that you can tell the sex of your baby at your very first ultrasound. Has the Nub Theory been wrong for anyone? “Before the genitals are formed there’s a bump or nub called the genital tubercle / tube. Misscalais Well-Known Member. Nub theory/stacking.. Can anyone help with a sexing question? Now backed by science. I wonder if it looks like mine. It is only a theory and I have hear a few people say it turned out to be wrong. On our forum, mum Gazsgirl says: “Mine was right at 12 weeks, the nub was level and at my 20-week scan it was confirmed I am having a girl.”. I suppose it depends when your scan with DS was. Nub theory is 100% accurate. Nub theory, on the other hand, provides an accurate gender prediction in roughly 9 out of 10 cases. Looking through old nub posts. 0 like Nub theory is based on your 12-week pregnancy scan pic: it says you can predict the sex of your baby based on the angle of their genital tube. Oh I just saw your other comment lol yes I will post it in a bit I don't have it on my phone :), Now that you say that the umbilical cord was in between her legs lol. So, on my experience I would say boy, but could be either. Sometimes, the nub theory can be wrong As explained, the nub theory is reliable only if we can see the baby from the side and if the nub is fully visible. Had 22 week scan last week and saw a perfectly formed set of testicles. So far we have 1 boy and 2 girls. Just barely though. “Up until your 14th or 15th week scan, the female and male genitalia simply look too similar to 100% differentiate between the two. To me your pics look too early for a nub guess, plus it is an incomplete picture of the nub. I'm really hoping for a boy so this had me second guessing what the US tech said lol. Hiya Ladies, So, I have my 20 week scan on 1st June and really excited! “It is very difficult to identify internal or protruding sexual organs until t… According to a 2012 study of 1,222 patients, it was possible to reliably determine baby’s sex using the Nub Theory with an accuracy of 96.6 to 100 percent, starting at 12 weeks gestation. I don't remember which one I posted I think it was the first one. “Nub theory is to do with what we can potentially see on the 12-week scan,” says our expert GP Dr Philippa Kaye. 13 weeks. They say it's not uncommon for early 12 weeker boys to be mistaken for girls. Feb 4, 2021 - Highly Reliable Early Gender Prediction. The nub theory is one of the most talked about theories across the internet, when it comes to pregnancy. #1 Rahma, Apr 2, 2014. I posted an u/s pic on a group on Facebook and everyone said girl besides a few who said it wasn't a clear enough shot. Nub theory is a good name for this analysis, because it really is just that: a theory, without much evidence behind it. The female baby will have nub that is angled lower than 30° relative to the spine. Curious if any of you had the nub/skull theory be wrong? I was told I likely was having a boy during an ultrasound to screen for Down syndrome at about 12 weeks. We tend to overpredict boys more often than girls. Podcast: How reliable are gender prediction tests? There is actually science behind the nub theory, unlike the skull, which is just for fun :) This action cannot be undone. You can practice by taking one of our quizzes on the nub theory, or view the ultrasound galleries for hundreds of examples, filtered by gender and week of pregnancy. “There’s also a chance that our prediction simply will be wrong. reviewed by our medical review board and team of experts. What is nub theory? I was told mine was a boy based off the stacked nub. My 12w6d scan of my last child I was told boy by gender experts.